//
//  VRORenderToTextureDelegate.h
//  ViroRenderer
//
//  Copyright © 2017 Viro Media. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining
//  a copy of this software and associated documentation files (the
//  "Software"), to deal in the Software without restriction, including
//  without limitation the rights to use, copy, modify, merge, publish,
//  distribute, sublicense, and/or sell copies of the Software, and to
//  permit persons to whom the Software is furnished to do so, subject to
//  the following conditions:
//
//  The above copyright notice and this permission notice shall be included
//  in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
//  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
//  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
//  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
//  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef VRO_RENDER_TO_TEXTURE_DELEGATE_H
#define VRO_RENDER_TO_TEXTURE_DELEGATE_H

#include <memory>

class VRORenderTarget;
class VRODriver;
class VROViewport;

/*
 The VRORenderToTextureDelegate is notified at the end of each frame with a VRORenderTarget
 containing the fully rendered scene. This can be used to pass the rendered scene on to
 other processes.
 */
class VRORenderToTextureDelegate : public std::enable_shared_from_this<VRORenderToTextureDelegate> {
public:
    VRORenderToTextureDelegate() {};
    virtual ~VRORenderToTextureDelegate() {};

    /*
     Called to notify delegates that a frame has been rendered to the given renderedTarget,
     which contains the final output of the scene.
     */
    virtual void didRenderFrame(std::shared_ptr<VRORenderTarget> renderedTarget,
                                std::shared_ptr<VRODriver> driver) = 0;
};

#endif //VRO_RENDER_TO_TEXTURE_DELEGATE_H
